Organosilicon-assisted transformation of living anionic into living cationic polymerization

被引：3
作者：
Sanji, T [1 ]
Sunaga, D [1 ]
Muto, Y [1 ]
Sakurai, H [1 ]
机构：
[1] Sci Univ Tokyo, Fac Sci & Technol, Dept Pure & Appl Chem, Chiba 2788510, Japan
来源：
MACROMOLECULAR RAPID COMMUNICATIONS | 2003年 / 24卷 / 04期
关键词：
anionic polymerization; block copolymers; cationic polymerization; copolymerization; degradation;
D O I：
10.1002/marc.200390053
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
A novel method is described for transforming an anionic polymerization process into a cationic polymerization process assisted by organosilyl groups. The reaction of the p-tolyldimethylsilyl end group of polystyrene and trifluoromethanesulfonic acid produced a silyl triflate end group that served as a macroinitiator for the living cationic polymerization of isobutyl vinyl ether. The Si-O linkage in the block copolymers underwent specific cleavage by reaction with tetrabutylammonium fluoride.
引用
收藏
页码：340 / 343
页数：4
相关论文
共 27 条
[1]   TRANSFORMATION REACTIONS IN POLYMERIZATION SYSTEMS .2. ANIONIC-POLYMERIZATION TO FREE-RADICAL POLYMERIZATION BY USE OF LEAD SALTS [J].
ABADIE, M ;
BURGESS, FJ ;
CUNLIFFE, AV ;
RICHARDS, DH .
JOURNAL OF POLYMER SCIENCE PART C-POLYMER LETTERS, 1976, 14 (08) :477-482
[2]   MODEL STUDIES OF END CAPPING OF MONOENDED AND BIENDED POLYSTYRENE ANIONS - STEREOISOMERISM AT THE CHAIN ENDS [J].
BHEDA, MC ;
GIBSON, HW .
MACROMOLECULES, 1991, 24 (10) :2703-2708
[3]   Tandem catalysis: Three mechanistically distinct reactions from a single ruthenium complex [J].
Bielawski, CW ;
Louie, J ;
Grubbs, RH .
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 2000, 122 (51) :12872-12873
[4]   TANDEM GC/MS - A USEFUL TOOL FOR STUDYING END-CAPPING REACTIONS OF OLIGO(STYRYL)LITHIUM ANIONS [J].
BRESTENSKY, DM ;
HOYE, TR ;
MACOSKO, CW .
JOURNAL OF POLYMER SCIENCE PART A-POLYMER CHEMISTRY, 1995, 33 (12) :1957-1967
[5]   TRANSFORMATION REACTIONS IN POLYMERIZATION SYSTEMS .1. ANIONIC-POLYMERIZATION TO CATIONIC POLYMERIZATION [J].
BURGESS, FJ ;
CUNLIFFE, AV ;
RICHARDS, DH ;
SHERRINGTON, DC .
JOURNAL OF POLYMER SCIENCE PART C-POLYMER LETTERS, 1976, 14 (08) :471-476
[6]   CATIONIC POLYMERIZATION OF ISOBUTYL VINYL ETHER - LIVINGNESS ENHANCEMENT BY DIALKYL SULFIDES [J].
CHO, CG ;
FEIT, BA ;
WEBSTER, OW .
MACROMOLECULES, 1990, 23 (07) :1918-1923
[7]   INITIATION OF VINYL ETHER POLYMERIZATION BY TRIMETHYLSILYL TRIFLATE, DIMETHYL SULFIDE, AND ADVENTITIOUS WATER [J].
CHO, CG ;
FEIT, BA ;
WEBSTER, OW .
MACROMOLECULES, 1992, 25 (08) :2081-2085
[8]   Block copolymers by transformation of ''living'' carbocationic into ''living'' radical polymerization [J].
Coca, S ;
Matyjaszewski, K .
MACROMOLECULES, 1997, 30 (09) :2808-2810
[9]   BLOCK CO-POLYMERS SYNTHESIS VIA ANIONIC TO ZIEGLER-NATTA TRANSFORMATION REACTION [J].
COHEN, P ;
ABADIE, MJM ;
SCHUE, F ;
RICHARDS, DH .
POLYMER, 1981, 22 (10) :1316-1319
[10]   TRANSFORMATION REACTIONS IN POLYMERIZATION SYSTEMS .3. ANIONIC-POLYMERIZATION TO FREE-RADICAL POLYMERIZATION BY USE OF MERCURY SALTS [J].
CUNLIFFE, AV ;
HAYES, GF ;
RICHARDS, DH .
JOURNAL OF POLYMER SCIENCE PART C-POLYMER LETTERS, 1976, 14 (08) :483-488
123